Non-Leetcode Questions: Iterator over HashMap

Non-Leetcode Questions: Iterator over HashMap

Iterator over HashMap

How to use iterator to go through a HashMap?

 public static void printMap(Map mp) {       Iterator it = mp.entrySet().iterator();       while (it.hasNext()) {         Map.Entry pair = (Map.Entry)it.next();         System.out.println(pair.getKey() + " = " + pair.getValue());         it.remove(); // avoids a ConcurrentModificationException       }     } 

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